Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      G-1818 Product Number G-1818 Description Enquiry Send Enquiry Specification Dimensions( Dia (mm) ) 18x18 Input Normal (W) 1.5 Input Max (W) 2 IMP (Ω) 4 Fo (Hz) 600 SPL (dB) 83 Frequency Range (Fo~Hz) Fo-20k MGNT Size (mm) ø11x2.2 Diaphragm Sponge   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)